Home / 1,300,193.10-1,949,512.05-670,337.10

Finding the Fourth Proportional to 1,300,193.10, 1,949,512.05 and 670,337.10

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Solution

The fourth proportional to 1,300,193.10, 1,949,512.05 and 670,337.10 is: 1,005,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,193.10 : 1,949,512.05 = 670,337.10 : x
  2. Step 2: Convert to fraction form
    1,300,193.10/1,949,512.05 = 670,337.10/x
  3. Step 3: Cross multiply
    1,300,193.10x = 1,949,512.05 × 670,337.10
  4. Step 4: Simplify right side
    1,300,193.10x = 1,306,830,254,012.06
  5. Step 5: Solve for x
    x = 1,306,830,254,012.06/1,300,193.10
  6. Step 6: Final answer
    x = 1,005,104.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.